Locomotives

Repairs of electric and diesel locomotives
Repairs of locomotive bodies
Electric of locomotive bogies

Repairs of electric and diesel locomotives

ŽOS Vrútky a.s. has longterm experiences with locomotive repairs. The first electric locomotive was repaired in the year 1960. After the reconstruction of the workshop into the modern plant, the projected capacity is 600 major medium overhaul of locomotives per year.

Double-system locomotive series 361

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Main branches of workshop for electric locomotive repairs

Repairs and modernization:
  • Electric locomotives
    • D.C. (direct current) (3000 V)
    • A.C. - alternating current (25kV, 50Hz)
    • double systems (3000V=, 25kV~,50Hz)
  • Electric motor units
    • direct current (3000 V)
    • alternative current (25kV ~ ; 50Hz)
  • Special railway vehicles

Individual aggregate repairs: 

  • Bogies
  • Gearboxes
  • Compressors
  • Wheel sets
  • Electric equipment and instruments
  • Electronics
  • Air tanks

All workplaces are controlled in compliance with the quality management system according to standards ISO 9001:2000 and environmental management system according to standards 14001:2004.

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Repairs of locomotive bodies

The integral part of locomotive repairs are also locomotive body repairs of all kinds. There are several specialized workplaces in the workshop for repair of individual structural body parts, where the following kinds of repairs are available:

  • Locomotive body – all kinds of locomotive body repairs, repairs damaged by force, gauging by COMBI LASER system
  • Collectors – repairs of all kinds of collectors and testing on a check-out equipment
  • Compressor repairs – repairs of all kinds of locomotive compressors, testing on a checkout equipment with printed protocol of test results
  • Air instruments and pipes – complete repairs and testing on a check-out equipment, pressure test, with protocol of test results
  • Air reservoirs – repairs of all kinds of air reservoirs, air reservoirs damaged by force, test of defectoscopy and pressure test
  • Speedometers – repairs of all types of speedometers used in railway vehicles, test on testing equipment Hasler with protocol of test results
  • Powerful and control electronics – complete repairs, set and testing on a check-out equipment controlled by PC
  • Locomotive weight – set of travelling measures and wheel pressure on a weighing machine controlled by PC with printed protocol about weighing
  • Locomotive testing stand – functional testing of connection by using of testing equipment
  • Surfacing – finish surfacing by spraying in a spraying box
  • Welding – all welding system is controled according to STN EN 287-1, STN EN 288- 1,2,4 Standards

All workplaces are controlled in compliance with the quality management system according to standards ISO 9001:2000 and environmental management system according to standards 14001:2004.

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Except for these activities it is possible to make all approved working adaptations and reconstructions according to customer’s requirement.

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All workplaces are controlled in compliance with the quality management system according to standards ISO 9001:2000 and environmental management system according to standards 14001:2004.

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Repairs of locomotive bogies

The integral part of locomotive repairs is the locomotive bogie repairs plant where all kinds of bogie repairs are carried out. There are several specialized workplaces for repairs of individual construction bogie parts in the plant. The following kinds of repairs are possible to perform there:

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  • Bogies cleaning - complete bogie cleaning by means of continuous spraying machine, grit blasting is available
  • Bogie frame - inspection, repairs of frames damaged by force, measurement by COMBI LASER system
  • Gear box - common inspection, gear wheel and bearing replacement, repairs of damaged gear boxes using modern materials
  • Brake - lever assembly and gear repairs, brake units of blocks, brake cylinders and their functional testing on a check-out equipment
  • Springing - inspection and repair, loading characteristic measurement of springs and leaf springs on a test equipment
  • Wheel sets - common repairs, replacement of tires and monoblocks, wheel centres and axles
  • Defectoscopy - suspensions, draw rods, wheel sets and bogie frames
  • Bogie running-in - functional test on a check-out equipment after repair
  • Surface finish - spraying by means of spraying box according to customer’s requirement
  • Welding - all welding system is controlled in compliance with STN EN 287-1, STN EN 288-1,2,4 Standards

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Except for these activities it is possible to make all approved working adaptations and reconstructions according to customer’s requirement.

All workplaces are controlled in compliance with the quality management system according to standards ISO 9001:2000 and environmental management system according to standards 14001:2004.

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